Senior Software Engineer, Backend (Consumer Data Platform)Active$153K–$213K

The opportunity

At Affirm, we exist for the moments that matter—giving people a clear, predictable way to pay over time, with no hidden fees, no surprises, and no tradeoffs on what matters most.

What you'll do

  • Drive planning and prioritization of projects based on product, technical,: and business goals using data-driven decision making.

  • Design and build scalable backend systems, APIs, and data models that power: communications, experimentation, and personalization.

  • Partner with Product Managers, Data Scientists, and Analysts to define and: execute strategies for customer acquisition and engagement.

  • Establish and uphold engineering best practices to ensure services are: secure, observable, and performant at scale.

  • Mentor and support junior engineers, contributing to a culture of learning,: collaboration, and technical excellence.

  • + years of experience as a Software Engineer with a focus on backend systems.

What they're looking for

  • Strong understanding of distributed systems, service-oriented architecture,: and how architectural choices affect scalability, reliability, and maintainability.
  • Proven track record of delivering complex backend systems in production environments.
  • Excellent written and verbal communication skills, with proficiency in: asynchronous communication (design docs, technical specs, project plans, etc.).
  • Demonstrated ability to collaborate effectively across Product, Data Science, Analytics, and Design teams.